# 1.Explain why the FOIL order cannot be used to multiply a binomial by a trinomial. 2. Explain why (3x + 2)2 does not equal 9x2 + 4.

*label*Mathematics

*timer*Asked: Mar 8th, 2019

*account_balance_wallet*$5

### Question Description

1.Explain why the FOIL order cannot be used to multiply a binomial by a trinomial.

2. Explain why (3x + 2)^{2} does not equal 9x^{2} + 4.

## Tutor Answer

The answers are ready!

1. The general rule of opening parentheses is to multiply each term in one sum by each

term in another sum. For two binomials, there are exactly 4 combinations: first by first, first

by second, second by first and second by second. These combinations are represented by

the F...

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